MODIFIER FOR GREY CAST IRON

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FIELD : metallurgy.SUBSTANCE : modifying agent contains, wt % : silicon 60.0-65.0; calcium 1.0-1.5; strontium 1.0-1.5; rare-earth metals 1.0-1.5; aluminium 10.0-15.0; silver 1.0-1.5; iron - the rest.EFFECT : reduction of modifying agent consumption till 0, 6-0, 7% from weight of grey cast iron.1 tbl